Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645804 | Method for cleaning exhaust gas containing nitrogen oxides | Satoshi Sumiya, Seiji Makino, Kiyohide Yoshida, Yoshikazu Takahashi, Masataka Furuyama +2 more | 1997-07-08 |